Untwisting the twistor superstring
Warren Siegel

TL;DR
This paper extends the twistor superstring framework off-shell by generalizing Penrose twistors to include spacetime coordinates, revealing it as a tensionless limit of a QCD-like superstring, thus advancing understanding of N=4 super Yang-Mills theory.
Contribution
It introduces a novel off-shell formulation of the twistor superstring using Atiyah-Drinfel'd-Hitchin-Manin twistors, connecting it to a tensionless QCD-like superstring.
Findings
Generalization of twistors to include spacetime coordinates.
Identification of the string as a tensionless limit of a QCD-like superstring.
Enhanced understanding of off-shell formulations in superstring theory.
Abstract
The twistor superstring, which describes N=4 super Yang-Mills trees, is taken off-shell (for loops) by generalizing Penrose twistors (which describe on-shell momenta) to Atiyah-Drinfel'd-Hitchin-Manin twistors (which include the usual spacetime coordinates). The resulting string is then shown to be the tensionless limit of a Quantum ChromoDynamics-like superstring.
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Taxonomy
TopicsDigital Games and Media
